William K. Vanderbilt Costume Ball [Album cover.]

Mrs. William K. Vanderbilt (neé Alva Erskine Smith)

Mr. William Douglas

Mr. William Jay

Mr. [William Bayard] Cutting

Mrs. William Douglas (neé Adelaide Townsend)

Lady Mandeville (neé Consuelo Yznaga)

Mr. H. Duncan Wood

Miss May Bird

Mrs. Peters[?]

Mr. Thorne

Mr. Allen Thorndike Rice

Mrs. Sam Penniman (neé Mary Knower)

Mr. Pierre Mari [Peter Marie.]

Mr. Buchanan Winthrop

Mrs. Buchanan Winthrop (neé Sarah Helen Townsend)

Miss [Agnes] Binsse & Mr. [Reginald] Francklyn

Miss [Frederica] Belmont (later Mrs. S. S. Howland)

Miss Amy Townsend

Mr. Isaac Bell